Past Research on Safety
Key research published through epri.com on distribution safety is highlighted below. See here for details on recent deliverables.
Arc Flash
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Arc Flash: Comparison of Industry and Utility Approaches, 3002024740, 2022.
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Arc Flash Hazards on Distribution Systems (video), 3002021685, 2021.
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Arc-Flash Analysis Guide, 3002019035, 2020.
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DC Arc Flash on Photovoltaic Equipment, 3002014124, 2018.
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Medium-Voltage Arc Flash: Switchgear and Live-Front Transformers, 3002005598, 2015.
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Arc Flash Update for 480-V Network Protectors, 3002006373, 2015.
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Arc Flash Testing of Clothing and 480-V Meter Sockets, 1023267, 2011
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Distribution Arc Flash: Phase II Test Results and Analysis, 1022697, 2011.
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208-V Arc Flash Testing: Network Protectors and Meters, 1022218, 2010.
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Distribution Arc Flash: 480-V Padmounted Transformers and Network Protectors, 1020210, 2009.
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Arc Flash Phase II Work Practices Survey Report, 1020544, 2009.
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Distribution Arc Flash: Analysis Methods and Arc Characteristics, 1018693, 2009.
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Distribution Arc Flash: Industry Practices, 1018694, 2009.
Downed Conductors
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Detecting and Preventing Live, Downed Conductors: Industry Update, 3002024738, 2022.
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Backfeeds on Distribution Systems: Detection Approaches, 3002016453, 2019.
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Guarding Downed Electrical Power Lines Video, 3002016397, 2019.
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Modern Approaches to High-Impedance Fault Detection, 3002012882, 2018.
Grounding
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Vehicle Grounding and Ground Hazards around Distribution Circuits (video), 3002021687, 2021.
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Grounding and Personnel Protection Practices, 3002019037, 2020.
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Tests of Grounding and Personnel Protection on an Overhead Distribution Line, 3002017656, 2020.
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Vehicle Grounding and Personnel Protection: Utility Distribution Guide, 3002016395, 2019.
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Vehicle Grounding and Personnel Protection: Utility Distribution Scenarios, 3002014127, 2018.
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Grounding for Personnel Protection on Underground Distribution: Simulations for Solid-Dielectric Cable Systems, EPRI 3002003242, 2015.
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Distribution Grounding: Volume 1: Handbook, TR-106661-V1, 1996.
Manhole Events
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Underground Assets: Risk Mitigation of Manhole Events, 3002018957, 2020.
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Underground Structure Risk Mitigation — 2017-2019 Project Highlights: Manhole Supplemental, 3002015181, 2019.
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Testing the Effectiveness of a Short-Arm Restrained Manhole Cover and Frame Combination: Southern California Edison Manhole Supplemental Project, 3002017160, 2019.
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Underground Assets: Risk Mitigation of Manhole Events, 3002016391, 2019.
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Testing the Effectiveness of Covers and Baffles Used to Mitigate Event Damage at Round Enclosures: PG&E Round Enclosure Supplemental, 3002012503, 2018.
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Testing the Effectiveness of Manhole Cover and Frame Combinations Used to Mitigate Event Damage at Underground Structures: Eversource Manhole Supplemental Project, 3002014761, 2018.
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Risk Mitigation of Underground Structures: Test Approach and Results, 3002011647, 2017.
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Manhole Event Risk Management Strategies, 1015889, 2008.
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Manhole Event Risk Management, 1013886, 2007.
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Evaluation of Gases Generated by Heating and Burning of Cables, TR-106394, 1996.
Practices
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Insulation and Isolation Practices for Live Work on Distribution Systems, 3002024744, 2022.
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Safety Concerns with Backfeeds on Distribution Systems, 3002024745, 2022.
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Approaches for Cable Locating and Abandoning Underground Cable, 3002021691, 2021.
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Impacts of 5G Equipment on Distribution Practices, 3002019041, 2020.
Technologies and Protective Equipment
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Application to Verify Live-Line Coverup, 3002021690, 2021.
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Application to Verify Live-Line Coverup: Feasibility Analysis, 3002019038, 2020.
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Personal Voltage Detectors: Tests in Utility Distribution Scenarios, 3002019039, 2020.
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Electrical Performance of Plastic Guards: Distribution Safety, 3002019040, 2020.
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Electrical Performance of Footwear for Distribution Workers, 3002016394, 2019.
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Personal Voltage Detectors: Electric-Field Performance, 3002016396, 2019.
Stray Voltage
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Neutral to Earth Voltage and Urban Stray Voltage Measurement Protocols, 1010652, 2015.
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Assessment of Elevated Neutral to Earth Voltages in Distribution Systems: Modeling and Simulation Guidelines, 1012439, 2006.